During his playing career Wallinheimo was known for his showmanship and became a fan favorite where he played. His antics inspired his teammates and he was hard to score during a hot streak. On the downside this also led to taking unnecessary risks. His weaknesses were in his style and puck control. Donned ancient Egypt themed masks, complementing his name given to him in inspiration of Mika Waltari's novel The Egyptian.

Trivia
- Full name: Mika Sinuhe Wallinheimo
- Uses his second name Sinuhe, a name given him in inspiration of Mika Waltari's novel The Egyptian, which features a character called Sinuhe
- Went to politics after retiring from hockey, was elected to Finnish parliament in 2011 and re-elected in 2015